266424840668 has 12 divisors (see below), whose sum is σ = 532849681392. Its totient is φ = 114182074560.

The previous prime is 266424840631. The next prime is 266424840683. The reversal of 266424840668 is 866048424662.

266424840668 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

266424840668 is an admirable number.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4757586413 + ... + 4757586468.

It is an arithmetic number, because the mean of its divisors is an integer number (44404140116).

Almost surely, 2^266424840668 is an apocalyptic number.

266424840668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

266424840668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266424840668 is a wasteful number, since it uses less digits than its factorization.

266424840668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9515172892 (or 9515172890 counting only the distinct ones).

The product of its (nonzero) digits is 21233664, while the sum is 56.

The spelling of 266424840668 in words is "two hundred sixty-six billion, four hundred twenty-four million, eight hundred forty thousand, six hundred sixty-eight".